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Renesas PS9308L-E3-AX
- Part No.:
- PS9308L-E3-AX
- Manufacturer:
- Renesas
- Category:
- Isolators - Gate Drivers
- Package:
- 6-SOIC (0.268", 6.80mm Width)
- Datasheet:
-
PS9308L-E3-AX.pdf
- Description:
- OPTOISO 5KV 1CH GATE DVR 6SDIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,307
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Product details
Overview
PS9308L-E3-AX from Renesas Electronics is a 6-pin SDIP surface-mount photocopler optimized for IGBT and power MOSFET gate driving in high-noise industrial inverters and induction heating systems. It delivers 2.0 A peak output current, achieves ≤0.25 μs propagation delay (tPLH/tPHL), and provides ±25 kV/μs common-mode transient immunity with integrated UVLO protection and 5,000 Vr.m.s. isolation voltage.
For engineers reviewing the PS9308L-E3-AX datasheet, PS9308L-E3-AX pinout, PS9308L-E3-AX application, or PS9308L-E3-AX equivalent, key selection criteria include its 2.0 A peak drive capability, gull-wing lead form factor for surface mounting, 7 mm minimum creepage distance, and compliance with UL, CSA, and SEMKO safety standards - all critical for reliable high-voltage gate drive isolation.
Technical Context
The PS9308L-E3-AX integrates a GaAlAs LED input stage with a monolithic photo-diode, signal processing circuit, and high-current power output transistor on a single chip. Its architecture enables fast, noise-immune switching between isolated domains without external driver stages.
It features under-voltage lockout (UVLO) with 12.3 V turn-on and 11.0 V turn-off thresholds and 1.3 V hysteresis, ensuring robust operation during supply transients. The device operates across −40°C to +110°C and supports 15–30 V supply range (VCC−VEE), targeting high-reliability motor control and power conversion interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Output Current | 2.0 A MAX - sufficient to directly drive IGBTs up to 600 V/100 A class with low gate charge. |
| Propagation Delay | tPLH/tPHL ≤ 0.25 μs - enables PWM operation up to 50 kHz with minimal timing skew. |
| CM Transient Immunity | ±25 kV/μs MIN - suppresses false triggering in high-dV/dt inverter legs. |
| Isolation Voltage | 5,000 Vr.m.s. - meets reinforced insulation requirements for industrial 400 V AC mains-connected systems. |
| UVLO Threshold | VUVLO+ = 12.3 V, VUVLO− = 11.0 V - prevents partial turn-on of power devices during brownout conditions. |
| Supply Range | VCC−VEE = 15–30 V - compatible with standard 24 V industrial control rails and split-rail gate drive supplies. |
| Ambient Temp Range | −40°C to +110°C - supports operation in enclosed motor drives and induction cooktop environments. |
Pinout & Package
PS9308L-E3-AX uses a 6-pin Shrink Dual In-line Package (SDIP) with gull-wing surface-mount leads. Package dimensions: 9.7 mm × 3.7 mm × 3.5 mm (L×W×H), 1.27 mm lead pitch, and 7 mm minimum creepage distance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1. Anode | LED input anode | Connects to current-limited forward bias source (7–16 mA typical); reverse voltage rating 5 V. |
| 2. NC | No Connection | Internally unconnected; must be left floating or tied to GND on input side - not used for signal routing. |
| 3. Cathode | LED input cathode | Return path for LED drive current; referenced to input-side ground (VEE). |
| 4. VEE | Output-stage emitter reference | Output-side ground reference; forms low-side return for IOL and UVLO monitoring. |
| 5. VO | Power output terminal | Delivers 2.0 A peak sink/source current to IGBT/MOSFET gate; connects directly to gate resistor. |
| 6. VCC | Output-stage collector supply | Positive supply for output transistor (15–30 V); powers high-side drive and UVLO circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| High-speed gate drive | 0.25 μs max propagation delay enables precise timing control in 20–50 kHz PWM inverters. |
| Integrated UVLO with hysteresis | 1.3 V threshold window prevents oscillation during marginal supply conditions. |
| Reinforced isolation barrier | 5,000 Vr.m.s. withstand and 7 mm creepage meet IEC 60747-5-5 (Option) and UL/CSA safety requirements. |
| Pb-free & embossed tape packaging | Ni/Pd/Au plating and 2,000 pcs/reel embossed tape support automated SMT assembly and RoHS compliance. |
| Half-size SDIP footprint | 9.7 mm × 3.7 mm body reduces PCB area by ~50% vs. legacy 8-pin DIP, easing layout in space-constrained drives. |
Applications
| Industrial Inverter Motor Drive | Induction Heating (IH) System |
|---|---|
Use Scenario: Isolated gate drive for 3-phase IGBT modules in HVAC compressors and servo drives operating at 400 V DC bus. IC Role / Device Role / Timing Role: High-CMR photocoupler providing level-shifted, noise-immune turn-on/turn-off signals to upper/lower IGBT gates. Use Value: Prevents shoot-through failures via <0.25 μs matched delays and ±25 kV/μs CMR in high-dV/dt bridge legs. |
Use Scenario: Gate driving resonant half-bridge IGBTs in domestic and commercial induction cooktops with rapid thermal cycling. IC Role / Device Role / Timing Role: Isolated output stage delivering 2.0 A peak current to charge/discharge IGBT gates within tight dead-time windows. Use Value: Enables reliable 20–50 kHz switching with UVLO protection against supply droop during load transients. |
| Uninterruptible Power Supply (UPS) | Solar Photovoltaic Inverter |
Use Scenario: Driving IGBTs in bidirectional DC-AC converters handling battery backup and grid synchronization. IC Role / Device Role / Timing Role: Reinforced-isolation gate driver ensuring safe separation between low-voltage control logic and 600 V AC output stage. Use Value: 5,000 Vr.m.s. isolation and −40°C to +110°C operation support long-term reliability in sealed UPS enclosures. |
Use Scenario: Gate driving string-level IGBTs or SiC MOSFETs in transformerless PV inverters exposed to outdoor temperature extremes. IC Role / Device Role / Timing Role: Fast, high-current isolator interfacing microcontroller PWM outputs to high-side power switches. Use Value: 2.0 A peak current and 0.25 μs delay allow efficient switching of high-Qg devices while minimizing conduction losses. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar IGBT gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Toshiba TLP350 | 1.5 A peak output, 0.5 μs max tPLH/tPHL, 3,750 Vr.m.s. isolation, same 6-pin SDIP package. | Limited to lower-power IGBTs (<30 A) and 20 kHz max switching due to slower speed and lower drive strength. | Select when cost sensitivity outweighs need for 2.0 A drive or 50 kHz operation. |
| ON Semiconductor FOD3180 | 2.5 A peak output, 0.25 μs max delay, 5,000 Vr.m.s., but requires external UVLO and uses 8-pin SOIC package. | Better drive strength but larger footprint and added BOM complexity for discrete UVLO components. | Choose when higher peak current is required and board space allows 8-pin SOIC layout. |
Compared with TLP350 and FOD3180, PS9308L-E3-AX uniquely balances 2.0 A drive, 0.25 μs speed, integrated UVLO, and compact 6-pin SDIP - making it optimal for space-constrained, high-reliability industrial inverters where component count and timing precision are critical.
Availability
PS9308L-E3-AX is available at Aetrix Electronics and suitable for industrial inverter motor drives, induction heating systems, and solar photovoltaic inverters requiring stable component supply, long-term lifecycle support, and certified safety isolation.
Supply support for PS9308L-E3-AX includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Renesas Electronics is a global semiconductor leader specializing in microcontrollers, analog, power, and mixed-signal solutions for automotive, industrial, and IoT markets.
The PS9308L-E3-AX belongs to Renesas' high-CMR photocopler product line, engineered specifically for robust gate driving in noisy high-voltage power conversion systems like motor drives and induction heating.
FAQ
What is the maximum recommended forward current for the PS9308L-E3-AX LED input?
The PS9308L-E3-AX has a recommended forward current (IF) range of 7–16 mA, with 10 mA as the typical operating point. Absolute maximum continuous forward current is 25 mA, but sustained operation above 16 mA may accelerate LED degradation and reduce isolation lifetime. Pulse operation up to 1.0 A is allowed only for <1 μs width at ≤0.2% duty cycle.
Does the PS9308L-E3-AX require an external bypass capacitor?
Yes - a ≥1.0 μF bypass capacitor must be placed between VCC and VEE (GND) within 10 mm of the PS9308L-E3-AX pins. This stabilizes the output-stage supply during high di/dt gate switching events and prevents UVLO false triggering or output oscillation caused by supply rail collapse.
Can Pin 2 (NC) on the PS9308L-E3-AX be used as a ground connection?
Pin 2 is a true no-connect (NC) terminal with no internal connection. It may be left floating or tied to the input-side ground (VEE) for mechanical stability or EMI reduction, but must never be used for signal routing, current return, or as a bypass path - doing so risks degrading internal noise immunity and CMR performance.
What safety certifications does the PS9308L-E3-AX hold?
The PS9308L-E3-AX is UL Recognized (E72422), CSA Certified (CA 101391 per CAN/CSA-C22.2 No. 60065 and 60950), and SEMKO Approved (EN 60065, EN 60950). Optional VDE 0884-5 (DIN EN 60747-5-5) certification is available under part number PS9308L-V-E3-AX.
How does the UVLO function protect the power stage when using PS9308L-E3-AX?
The PS9308L-E3-AX UVLO monitors VCC−VEE and disables the output transistor when supply drops below 11.0 V (VUVLO−), preventing partial turn-on of IGBTs/MOSFETs that could cause thermal runaway. It re-enables only after VCC rises above 12.3 V (VUVLO+), with 1.3 V hysteresis eliminating chatter during slow supply recovery - a critical safeguard in PS9308L-E3-AX-based gate driver designs.
PS9308L-E3-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 6-SOIC (0.268", 6.80mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Technology:
- Optical Coupling
- Number of Channels:
- 1
- Voltage - Isolation:
- 5000Vrms
- Common Mode Transient Immunity (Min):
- 25kV/µs
- Propagation Delay tpLH / tpHL (Max):
- 250ns, 250ns
- Pulse Width Distortion (Max):
- 100ns
- Rise / Fall Time (Typ):
- 50ns, 50ns
- Current - Output High, Low:
- 1.5A, 1.5A
- Current - Peak Output:
- 2A
- Voltage - Forward (Vf) (Typ):
- 1.56V
- Current - DC Forward (If) (Max):
- 25 mA
- Voltage - Output Supply:
- 15V ~ 30V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 110°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-SDIP
- Approval Agency:
- CSA, SEMKO, UL
PS9308L-E3-AX FAQ
1.How can I place an order for PS9308L-E3-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for PS9308L-E3-AX on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PS9308L-E3-AX reliable?
The price and inventory of PS9308L-E3-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PS9308L-E3-AX is usually 5 days.
3.What payment methods are accepted for PS9308L-E3-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PS9308L-E3-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PS9308L-E3-AX?
PS9308L-E3-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PS9308L-E3-AX order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PS9308L-E3-AX?
For technical support, including PS9308L-E3-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PS9308L-E3-AX requirements.
6.How does Aetrix verify that PS9308L-E3-AX is sourced from the original manufacturer or authorized distributors?
All PS9308L-E3-AX products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PS9308L-E3-AX meets industry standards.
7.What is the process for return or replacement of PS9308L-E3-AX?
All PS9308L-E3-AX units undergo pre-shipment inspection (PSI). If there is an issue with PS9308L-E3-AX, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PS9308L-E3-AX part is unused and in its original packaging.
Return procedure for PS9308L-E3-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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